Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
1. Equations & Inequalities
Linear Equations
4:34 minutes
Problem 38a
Textbook Question
Textbook QuestionExercises 27–40 contain linear equations with constants in denominators. Solve each equation. 5 + (x - 2)/3 = (x + 3)/8
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Linear Equations
Linear equations are mathematical statements that express the equality of two linear expressions. They typically take the form ax + b = c, where a, b, and c are constants, and x is the variable. Understanding how to manipulate these equations is essential for finding the value of x that satisfies the equation.
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Solving Equations with Fractions
When solving equations that contain fractions, it is often helpful to eliminate the denominators to simplify the equation. This can be achieved by multiplying both sides of the equation by the least common denominator (LCD) of all fractions involved. This step makes it easier to isolate the variable and solve for its value.
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Isolating the Variable
Isolating the variable is a fundamental technique in solving equations, where the goal is to get the variable (e.g., x) on one side of the equation and all other terms on the opposite side. This often involves performing inverse operations, such as addition, subtraction, multiplication, or division, to simplify the equation step by step until the variable is alone.
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